Toolchain WG - 2010-08-09 meeting minutes

2010-08-10 Thread Michael Hope
...are available here: https://wiki.linaro.org/WorkingGroups/ToolChain/Meetings/2010-08-09 A copy follows, along with activity reports for the different members. -- Michael Attendees • Name Email IRC Nick Yao Qi yao...@linaro.org

[PATCH 1/1] Ftrace: Timestamps of entry into C states and P states

2010-08-10 Thread srinivas . kalaga
From: srinivas --- arch/arm/plat-omap/cpu-omap.c |2 ++ drivers/cpuidle/cpuidle.c |3 ++- 2 files changed, 4 insertions(+), 1 deletions(-) diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c index f9b480d..afa03aa 100644 --- a/arch/arm/plat-omap/cpu-omap.c +++

[PATCH 0/1] Ftrace: Timestamps of entry into C states and P states

2010-08-10 Thread srinivas . kalaga
From: srinivas The following patches add power events in /debug/tracing/events/power. These patches have been tested and applied only on the latest OMAP pm branch. The first diff set is for cpufreq and second one for cpuidle framework. The first diff patch applies only if OPP layer is included

Re: Capturing usage information

2010-08-10 Thread Richard Earnshaw
On Tue, 2010-08-10 at 10:26 +0100, Dave Martin wrote: > On Tue, Aug 10, 2010 at 10:16 AM, Loïc Minier wrote: > > On Mon, Aug 09, 2010, John Rigby wrote: > >> Does ltrace do what you want? > > > > This is what comes to my mind as well. > > > > There is a catch: I think eglibc (in fact almost all

Re: Adding packages to image seeds

2010-08-10 Thread Mark Mitchell
Amit Kucheria wrote: > Is security that much of an issue for linaro images, given that the images > are not meant as end-user/product-focused images but rather technology demos. Demos tend to get turned into products rather quickly in some cases. :-) I wouldn't be at all amazed to find Linaro im

Re: Adding packages to image seeds

2010-08-10 Thread Marcin Juszkiewicz
Dnia poniedziałek, 9 sierpnia 2010 o 22:00:11 Steve Langasek napisał(a): > The others are IMHO very niche (not only are they not installed by default > in Ubuntu, they're in universe no less) and don't belong on a > general-purpose image. But Linaro is not Ubuntu. Our images are rather targeted a

Re: Adding packages to image seeds

2010-08-10 Thread Marcin Juszkiewicz
Dnia poniedziałek, 9 sierpnia 2010 o 15:56:18 Amit Kucheria napisał(a): > As a followup to a conversation I had with Alexander (asac) on IRC, i'd > like to request the addition of some packages to the headless image. This > is to make the images more useful out-of-the-box. > > - ifplugd (dhcp net

Re: Adding packages to image seeds

2010-08-10 Thread Amit Kucheria
On 10 Aug 09, Steve Langasek wrote: > On Mon, Aug 09, 2010 at 04:56:18PM +0300, Amit Kucheria wrote: > > As a followup to a conversation I had with Alexander (asac) on IRC, i'd like > > to request the addition of some packages to the headless image. This is to > > make the images more useful out-of

Re: Capturing usage information

2010-08-10 Thread Dave Martin
On Tue, Aug 10, 2010 at 10:16 AM, Loïc Minier wrote: > On Mon, Aug 09, 2010, John Rigby wrote: >> Does ltrace do what you want? > >  This is what comes to my mind as well. > >  There is a catch: I think eglibc (in fact almost all Ubuntu packages) >  is built with -Bsymbolic-functions, which means

Re: Capturing usage information

2010-08-10 Thread Loïc Minier
On Mon, Aug 09, 2010, John Rigby wrote: > Does ltrace do what you want? This is what comes to my mind as well. There is a catch: I think eglibc (in fact almost all Ubuntu packages) is built with -Bsymbolic-functions, which means that you can't intercept internal calls to memcpy() from other e

Re: Capturing usage information

2010-08-10 Thread Michael Hope
>> Does anyone know of existing research with this information, or >> existing tools that could capture it? > > The obvious answer is to rebuild both firefox and libc with -pg. > > Maybe Ubuntu already has a glibc package build for profiling? Yip, but I want the arguments as well so we can tell wh

Re: Capturing usage information

2010-08-10 Thread Dave Martin
On Tue, Aug 10, 2010 at 9:21 AM, Andrew Stubbs wrote: [...] > The obvious answer is to rebuild both firefox and libc with -pg. > > Maybe Ubuntu already has a glibc package build for profiling? I believe there may be a profiling C library already in the archive, but most other libraries won't ha

Re: Capturing usage information

2010-08-10 Thread Dave Martin
Hi > On Mon, Aug 9, 2010 at 8:47 PM, Michael Hope wrote: >> I'd like to record the running of a typical program such as Firefox, >> GCC, or ffmpeg and capture the calls and arguments to functions like >> strcpy() and memcpy().  The idea is to generate a usage profile so we >> can tell what standa

Re: Capturing usage information

2010-08-10 Thread Ramana Radhakrishnan
On Tue, 2010-08-10 at 14:47 +1200, Michael Hope wrote: > I'd like to record the running of a typical program such as Firefox, > GCC, or ffmpeg and capture the calls and arguments to functions like > strcpy() and memcpy(). The idea is to generate a usage profile so we > can tell what standard libr

Re: Capturing usage information

2010-08-10 Thread Andrew Stubbs
On 10/08/10 03:47, Michael Hope wrote: > I'd like to record the running of a typical program such as Firefox, > GCC, or ffmpeg and capture the calls and arguments to functions like > strcpy() and memcpy(). The idea is to generate a usage profile so we > can tell what standard library functions and